Answered: A runner decreases his velocity from 20…

A runner decreases his velocity from 20 m/s to 10 m/s in 2.0 s. What was his average acceleration? a -5.0 m/s b 6.3 m/s C 3.2 m/s? d 8.0 m/s

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter2: Kinematics

Section: Chapter Questions

Problem 65PE: A graph of v(t) is shown for a world-class track sprinter in a 100-m race. (See Figure 2.67). (a)...

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Distance and Speed

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Question

A runner decreases his velocity from 20 m/s to 10 m/s in 2.0 s.
What was his average acceleration?
a -5.0 m/s
b 6.3 m/s
C 3.2 m/s?
d 8.0 m/s

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